Transaction not yet indexed

ymTktR3PcmyVxdxqVBHB2aTCUW9ei1MfHjATkd2SvA2PuhUVPist21BHtVGhchsmZXRjqzYAJeq8KEyfCeWiBVm

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.